Home / 176,871.12-244,069.82-100,391.76

Finding the Fourth Proportional to 176,871.12, 244,069.82 and 100,391.76

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Solution

The fourth proportional to 176,871.12, 244,069.82 and 100,391.76 is: 138,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,871.12 : 244,069.82 = 100,391.76 : x
  2. Step 2: Convert to fraction form
    176,871.12/244,069.82 = 100,391.76/x
  3. Step 3: Cross multiply
    176,871.12x = 244,069.82 × 100,391.76
  4. Step 4: Simplify right side
    176,871.12x = 24,502,598,290.72
  5. Step 5: Solve for x
    x = 24,502,598,290.72/176,871.12
  6. Step 6: Final answer
    x = 138,533.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.